Knee supporter



FIG. 1 is a front elevational view of the knee supporter;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right-side elevational view thereof; and,

FIG. 6 is a left-side elevational view thereof.

CLAIM The ornamental design for a knee supporter, as shown anddescribed.